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 DENOMINATION
- Premature birth.
- Premature baby.
- Prematurity.
DEFINITION
The normal thing in a pregnancy is that it lasts 40 weeks of average up to the childbearing, and consequently when the childbearing takes place between the weeks 37 and 42 of gestation it is said that there is a baby "bear to term".
When the childbearing takes place before 37 weeks of pregnancy it is when it is possible to speak about born premature birth or baby before term. The aspect of a premature baby differs with a normal baby to term for having the thin and wrinkled skin and his relation head body is descompensada (bigger the head).
FREQUENCY
In the western countries it is possible to be said that between 10 and 15 per cent of the childbearings are premature, mostly with an advance of 4 weeks (commonly called "sietemesino") and only 15 per cent before the seventh month.
RISKS
The newborn babies before term or premature babies have risks of having problems of health and more most premature. More premature babies are, minor is his weight and less developed his organs are, and it is probable that they should face to more complications as they can be:
- The Syndrome of respiratory difficulty, the lung does not expand to pulmonary immaturity appropriately.
- Apnea, or respiratory stop for not having his natural respiration reflexes organized.
- Cerebral hemorrhage in the most premature and in the first days.
- Persistence of the arterial conduit ó ductus arteriosus.
- Enterocolitis necrotizante.
- Retinopatía of the premature babies.
- Anemia.
- Displasia broncopulmonar that is a liquid accumulation in the lungs and injuries cicatriciales secondary to the intubación and the use of oxygen in the first weeks.
- Diverse infections.
TO SEE ALSO
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DENOMINATION 
